Amazon offers 1/4 Mile Long Range Wireless Driveway Alarm Outdoor Weatherproof Motion Sensor & Detector- Best DIY Security Alert System- Monitor & Protect Outside Property, Yard, Garage, Gate, Pool. for $99.99,free shipping
FEATURES
Super simple to set up. Takes only a few minutes using our quick start guide. Easy do it yourself installation.
Set includes one sensor/one receiver. Expandable up to 16 sensors and unlimited receivers for complete coverage of your property.
Detects motion in up to 4 different zones, and up to 4 sensors per zone.
Sensor runs on (4) AA batteries for up to one year. Low battery indicator included.
Receiver can be plugged in using included AC adaptor. Can also run on (4) AAA batteries as backup in case of power outage.
Sensor can detect motion up to 40 ft away.
Receiver includes a 12-volt relay to add wired external alarms, chimes, or bells.
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